sweet potato gratin with gruyere

★★★★★ 1 Review
whyamiawake avatar
By Lindsey G
from Penfield, NY

I found this recipe last Thanksgiving. Certainly not "traditional" but I am making it one for us. YUMMMMMMM Last year I had to make a second batch to have with other leftovers.

★★★★★ 1 Review
prep time 20 Min
cook time 1 Hr 25 Min

Ingredients For sweet potato gratin with gruyere

  • 2 c
    heavy cream
  • 1 tsp
    salt
  • 3 lb
    sweet potatoes, peeled
  • 1/2 c
    shredded gruyere cheese
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How To Make sweet potato gratin with gruyere

  • 1
    You'll Need:9-inch x 9-inch baking dish, mandoline (really helpful and saves a ton of time), nonstick cooking spray, large baking sheet Directions: Preheat oven to 350 degrees.
  • 2
    Spray baking dish with nonstick spray. Place baking dish on baking sheet.
  • 3
    Stir together heavy cream and salt in large bowl. Using mandoline, slice yams into bowl, coating slices with cream mixture as you work.
  • 4
    Layer 1/3 of sweet potatoes in baking dish. Sprinkle with half of cheese. Repeat with another 1/3 of sweet potatoes and remainder of cheese. Top with remaining sweet potatoes. Pour any remaining yam-cream mixture over top.
  • 5
    Bake uncovered on center rack of oven 30 min. Remove from oven.
  • 6
    Press fork or spatula, carefully, against top layer to allow liquid to flow over "crust." Replace pan in oven; bake 30 min. Remove pan; press top layer to allow liquid to flow over top. Replace pan in oven; bake 40-45 min or until sweet potatoes are tender. Remove from oven; let rest 15 min.
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